diff --git a/src/main/java/com/tuoheng/airport/uaa/application/assembler/UserDTOAssembler.java b/src/main/java/com/tuoheng/airport/uaa/application/assembler/UserDTOAssembler.java
new file mode 100644
index 0000000..95fffb1
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/application/assembler/UserDTOAssembler.java
@@ -0,0 +1,86 @@
+package com.tuoheng.airport.uaa.application.assembler;
+
+import com.tuoheng.airport.uaa.application.dto.UserDTO;
+import com.tuoheng.airport.uaa.domain.model.user.User;
+import com.tuoheng.airport.uaa.domain.model.user.UserId;
+import com.tuoheng.airport.uaa.domain.model.user.UserProfile;
+import com.tuoheng.airport.uaa.domain.model.user.UserStatus;
+
+/**
+ * 用户DTO-DO转换器
+ *
+ * @author Tuoheng Team
+ */
+public class UserDTOAssembler {
+
+    /**
+     * DTO转DO
+     */
+    public static User toDomain(UserDTO dto) {
+        if (dto == null) {
+            return null;
+        }
+
+        User user = new User();
+        if (dto.getUserId() != null) {
+            user.setUserId(UserId.of(dto.getUserId()));
+        }
+        user.setUsername(dto.getUsername());
+
+        // 转换用户资料
+        UserProfile profile = new UserProfile();
+        profile.setRealName(dto.getRealName());
+        profile.setNickname(dto.getNickname());
+        profile.setMobile(dto.getMobile());
+        profile.setEmail(dto.getEmail());
+        profile.setAvatar(dto.getAvatar());
+        profile.setGender(dto.getGender());
+        profile.setDeptId(dto.getDeptId());
+        profile.setPositionId(dto.getPositionId());
+        user.setProfile(profile);
+
+        user.setStatus(UserStatus.of(dto.getStatus()));
+        user.setTenantId(dto.getTenantId());
+        user.setCreateTime(dto.getCreateTime());
+        user.setUpdateTime(dto.getUpdateTime());
+
+        return user;
+    }
+
+    /**
+     * DO转DTO
+     */
+    public static UserDTO toDTO(User user) {
+        if (user == null) {
+            return null;
+        }
+
+        UserDTO dto = new UserDTO();
+        if (user.getUserId() != null) {
+            dto.setUserId(user.getUserId().getId());
+        }
+        dto.setUsername(user.getUsername());
+
+        // 转换用户资料
+        if (user.getProfile() != null) {
+            UserProfile profile = user.getProfile();
+            dto.setRealName(profile.getRealName());
+            dto.setNickname(profile.getNickname());
+            dto.setMobile(profile.getMobile());
+            dto.setEmail(profile.getEmail());
+            dto.setAvatar(profile.getAvatar());
+            dto.setGender(profile.getGender());
+            dto.setDeptId(profile.getDeptId());
+            dto.setPositionId(profile.getPositionId());
+        }
+
+        if (user.getStatus() != null) {
+            dto.setStatus(user.getStatus().getCode());
+        }
+        dto.setTenantId(user.getTenantId());
+        dto.setCreateTime(user.getCreateTime());
+        dto.setUpdateTime(user.getUpdateTime());
+
+        return dto;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/application/dto/UserDTO.java b/src/main/java/com/tuoheng/airport/uaa/application/dto/UserDTO.java
new file mode 100644
index 0000000..edcd3b3
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/application/dto/UserDTO.java
@@ -0,0 +1,84 @@
+package com.tuoheng.airport.uaa.application.dto;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户DTO
+ *
+ * @author Tuoheng Team
+ */
+@Data
+public class UserDTO {
+
+    /**
+     * 用户ID
+     */
+    private Long userId;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+
+    /**
+     * 用户状态：0-正常，1-锁定，2-禁用
+     */
+    private Integer status;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/application/service/UserApplicationService.java b/src/main/java/com/tuoheng/airport/uaa/application/service/UserApplicationService.java
new file mode 100644
index 0000000..ec6c4c0
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/application/service/UserApplicationService.java
@@ -0,0 +1,193 @@
+package com.tuoheng.airport.uaa.application.service;
+
+import com.tuoheng.airport.uaa.application.assembler.UserDTOAssembler;
+import com.tuoheng.airport.uaa.application.dto.UserDTO;
+import com.tuoheng.airport.uaa.domain.model.user.User;
+import com.tuoheng.airport.uaa.domain.model.user.UserId;
+import com.tuoheng.airport.uaa.domain.model.user.UserProfile;
+import com.tuoheng.airport.uaa.domain.repository.UserRepository;
+import com.tuoheng.airport.common.exception.BusinessException;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 用户应用服务
+ *
+ * @author Tuoheng Team
+ */
+@Service
+public class UserApplicationService {
+
+    @Resource
+    private UserRepository userRepository;
+
+    /**
+     * 创建用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public UserDTO createUser(UserDTO userDTO, String password) {
+        // 检查用户名是否已存在
+        if (userRepository.existsByUsername(userDTO.getUsername())) {
+            throw new BusinessException("用户名已存在");
+        }
+
+        // 检查手机号是否已存在
+        if (userDTO.getMobile() != null && userRepository.existsByMobile(userDTO.getMobile())) {
+            throw new BusinessException("手机号已存在");
+        }
+
+        // 检查邮箱是否已存在
+        if (userDTO.getEmail() != null && userRepository.existsByEmail(userDTO.getEmail())) {
+            throw new BusinessException("邮箱已存在");
+        }
+
+        // 创建用户资料
+        UserProfile profile = new UserProfile();
+        profile.setRealName(userDTO.getRealName());
+        profile.setNickname(userDTO.getNickname());
+        profile.setMobile(userDTO.getMobile());
+        profile.setEmail(userDTO.getEmail());
+        profile.setAvatar(userDTO.getAvatar());
+        profile.setGender(userDTO.getGender());
+        profile.setDeptId(userDTO.getDeptId());
+        profile.setPositionId(userDTO.getPositionId());
+
+        // 创建用户（使用工厂方法）
+        User user = User.create(
+                userDTO.getUsername(),
+                password, // 密码应该在这里加密
+                profile,
+                userDTO.getTenantId()
+        );
+
+        // 保存用户
+        User savedUser = userRepository.save(user);
+
+        // 发布用户创建事件（这里可以通过事件总线发布）
+        // eventPublisher.publish(UserCreatedEvent.create(...));
+
+        return UserDTOAssembler.toDTO(savedUser);
+    }
+
+    /**
+     * 更新用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public UserDTO updateUser(Long userId, UserDTO userDTO) {
+        // 查找用户
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+
+        // 更新用户资料
+        UserProfile profile = new UserProfile();
+        profile.setRealName(userDTO.getRealName());
+        profile.setNickname(userDTO.getNickname());
+        profile.setMobile(userDTO.getMobile());
+        profile.setEmail(userDTO.getEmail());
+        profile.setAvatar(userDTO.getAvatar());
+        profile.setGender(userDTO.getGender());
+        profile.setDeptId(userDTO.getDeptId());
+        profile.setPositionId(userDTO.getPositionId());
+
+        user.updateProfile(profile);
+
+        // 保存用户
+        User updatedUser = userRepository.save(user);
+
+        return UserDTOAssembler.toDTO(updatedUser);
+    }
+
+    /**
+     * 删除用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteUser(Long userId) {
+        userRepository.delete(UserId.of(userId));
+    }
+
+    /**
+     * 根据ID查询用户
+     */
+    public UserDTO getUserById(Long userId) {
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        return UserDTOAssembler.toDTO(user);
+    }
+
+    /**
+     * 根据用户名查询用户
+     */
+    public UserDTO getUserByUsername(String username) {
+        User user = userRepository.findByUsername(username)
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        return UserDTOAssembler.toDTO(user);
+    }
+
+    /**
+     * 查询所有用户
+     */
+    public List<UserDTO> getAllUsers() {
+        List<User> users = userRepository.findAll();
+        return users.stream()
+                .map(UserDTOAssembler::toDTO)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 分页查询用户
+     */
+    public List<UserDTO> getUsersByPage(int pageNum, int pageSize) {
+        List<User> users = userRepository.findByPage(pageNum, pageSize);
+        return users.stream()
+                .map(UserDTOAssembler::toDTO)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 锁定用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void lockUser(Long userId) {
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        user.lock();
+        userRepository.save(user);
+    }
+
+    /**
+     * 解锁用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void unlockUser(Long userId) {
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        user.unlock();
+        userRepository.save(user);
+    }
+
+    /**
+     * 禁用用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void disableUser(Long userId) {
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        user.disable();
+        userRepository.save(user);
+    }
+
+    /**
+     * 启用用户
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public void enableUser(Long userId) {
+        User user = userRepository.findById(UserId.of(userId))
+                .orElseThrow(() -> new BusinessException("用户不存在"));
+        user.enable();
+        userRepository.save(user);
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/event/UserCreatedEvent.java b/src/main/java/com/tuoheng/airport/uaa/domain/event/UserCreatedEvent.java
new file mode 100644
index 0000000..f5e2b8a
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/event/UserCreatedEvent.java
@@ -0,0 +1,56 @@
+package com.tuoheng.airport.uaa.domain.event;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户创建事件
+ *
+ * @author Tuoheng Team
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserCreatedEvent {
+
+    /**
+     * 事件ID
+     */
+    private String eventId;
+
+    /**
+     * 用户ID
+     */
+    private Long userId;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+
+    /**
+     * 事件时间
+     */
+    private LocalDateTime eventTime;
+
+    /**
+     * 创建事件
+     */
+    public static UserCreatedEvent create(Long userId, String username, Long tenantId) {
+        UserCreatedEvent event = new UserCreatedEvent();
+        event.setEventId(java.util.UUID.randomUUID().toString());
+        event.setUserId(userId);
+        event.setUsername(username);
+        event.setTenantId(tenantId);
+        event.setEventTime(LocalDateTime.now());
+        return event;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/model/user/User.java b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/User.java
new file mode 100644
index 0000000..f158eee
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/User.java
@@ -0,0 +1,132 @@
+package com.tuoheng.airport.uaa.domain.model.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户聚合根
+ *
+ * @author Tuoheng Team
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class User {
+
+    /**
+     * 用户ID（聚合根标识）
+     */
+    private UserId userId;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 密码（加密后）
+     */
+    private String password;
+
+    /**
+     * 用户资料
+     */
+    private UserProfile profile;
+
+    /**
+     * 用户状态
+     */
+    private UserStatus status;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+
+    /**
+     * 创建用户（工厂方法）
+     */
+    public static User create(String username, String password, UserProfile profile, Long tenantId) {
+        User user = new User();
+        user.setUserId(UserId.generate());
+        user.setUsername(username);
+        user.setPassword(password);
+        user.setProfile(profile);
+        user.setStatus(UserStatus.NORMAL);
+        user.setTenantId(tenantId);
+        user.setCreateTime(LocalDateTime.now());
+        user.setUpdateTime(LocalDateTime.now());
+        return user;
+    }
+
+    /**
+     * 修改密码
+     */
+    public void changePassword(String oldPassword, String newPassword) {
+        if (!this.password.equals(oldPassword)) {
+            throw new IllegalArgumentException("原密码错误");
+        }
+        this.password = newPassword;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 锁定用户
+     */
+    public void lock() {
+        this.status = UserStatus.LOCKED;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 解锁用户
+     */
+    public void unlock() {
+        this.status = UserStatus.NORMAL;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 禁用用户
+     */
+    public void disable() {
+        this.status = UserStatus.DISABLED;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 启用用户
+     */
+    public void enable() {
+        this.status = UserStatus.NORMAL;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 更新用户资料
+     */
+    public void updateProfile(UserProfile profile) {
+        this.profile = profile;
+        this.updateTime = LocalDateTime.now();
+    }
+
+    /**
+     * 检查用户是否可用
+     */
+    public boolean isAvailable() {
+        return this.status == UserStatus.NORMAL;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserId.java b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserId.java
new file mode 100644
index 0000000..b855640
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserId.java
@@ -0,0 +1,35 @@
+package com.tuoheng.airport.uaa.domain.model.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+/**
+ * 用户ID值对象
+ *
+ * @author Tuoheng Team
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserId {
+
+    private Long id;
+
+    /**
+     * 生成新的用户ID
+     */
+    public static UserId generate() {
+        // 实际项目中可以使用雪花算法等分布式ID生成策略
+        return new UserId(System.currentTimeMillis());
+    }
+
+    /**
+     * 从Long创建UserId
+     */
+    public static UserId of(Long id) {
+        return new UserId(id);
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserProfile.java b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserProfile.java
new file mode 100644
index 0000000..32b9a18
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserProfile.java
@@ -0,0 +1,76 @@
+package com.tuoheng.airport.uaa.domain.model.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 用户资料值对象
+ *
+ * @author Tuoheng Team
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserProfile {
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像URL
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+
+    /**
+     * 验证手机号格式
+     */
+    public boolean isValidMobile() {
+        if (mobile == null || mobile.isEmpty()) {
+            return false;
+        }
+        return mobile.matches("^1[3-9]\\d{9}$");
+    }
+
+    /**
+     * 验证邮箱格式
+     */
+    public boolean isValidEmail() {
+        if (email == null || email.isEmpty()) {
+            return false;
+        }
+        return email.matches("^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+$");
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserStatus.java b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserStatus.java
new file mode 100644
index 0000000..4673d09
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/model/user/UserStatus.java
@@ -0,0 +1,30 @@
+package com.tuoheng.airport.uaa.domain.model.user;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 用户状态枚举
+ *
+ * @author Tuoheng Team
+ */
+@Getter
+@AllArgsConstructor
+public enum UserStatus {
+
+    NORMAL(0, "正常"),
+    LOCKED(1, "锁定"),
+    DISABLED(2, "禁用");
+
+    private final Integer code;
+    private final String desc;
+
+    public static UserStatus of(Integer code) {
+        for (UserStatus status : values()) {
+            if (status.getCode().equals(code)) {
+                return status;
+            }
+        }
+        return NORMAL;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/repository/UserRepository.java b/src/main/java/com/tuoheng/airport/uaa/domain/repository/UserRepository.java
new file mode 100644
index 0000000..d9591e2
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/repository/UserRepository.java
@@ -0,0 +1,75 @@
+package com.tuoheng.airport.uaa.domain.repository;
+
+import com.tuoheng.airport.uaa.domain.model.user.User;
+import com.tuoheng.airport.uaa.domain.model.user.UserId;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * 用户仓储接口
+ *
+ * @author Tuoheng Team
+ */
+public interface UserRepository {
+
+    /**
+     * 保存用户
+     */
+    User save(User user);
+
+    /**
+     * 根据ID查找用户
+     */
+    Optional<User> findById(UserId userId);
+
+    /**
+     * 根据用户名查找用户
+     */
+    Optional<User> findByUsername(String username);
+
+    /**
+     * 根据手机号查找用户
+     */
+    Optional<User> findByMobile(String mobile);
+
+    /**
+     * 根据邮箱查找用户
+     */
+    Optional<User> findByEmail(String email);
+
+    /**
+     * 查询所有用户
+     */
+    List<User> findAll();
+
+    /**
+     * 分页查询用户
+     */
+    List<User> findByPage(int pageNum, int pageSize);
+
+    /**
+     * 根据租户ID查询用户
+     */
+    List<User> findByTenantId(Long tenantId);
+
+    /**
+     * 删除用户
+     */
+    void delete(UserId userId);
+
+    /**
+     * 检查用户名是否存在
+     */
+    boolean existsByUsername(String username);
+
+    /**
+     * 检查手机号是否存在
+     */
+    boolean existsByMobile(String mobile);
+
+    /**
+     * 检查邮箱是否存在
+     */
+    boolean existsByEmail(String email);
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/domain/service/AuthDomainService.java b/src/main/java/com/tuoheng/airport/uaa/domain/service/AuthDomainService.java
new file mode 100644
index 0000000..3eedf7d
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/domain/service/AuthDomainService.java
@@ -0,0 +1,41 @@
+package com.tuoheng.airport.uaa.domain.service;
+
+import com.tuoheng.airport.uaa.domain.model.user.User;
+
+/**
+ * 认证领域服务接口
+ *
+ * @author Tuoheng Team
+ */
+public interface AuthDomainService {
+
+    /**
+     * 用户登录
+     */
+    String login(String username, String password);
+
+    /**
+     * 验证Token
+     */
+    boolean validateToken(String token);
+
+    /**
+     * 刷新Token
+     */
+    String refreshToken(String token);
+
+    /**
+     * 用户登出
+     */
+    void logout(String token);
+
+    /**
+     * 验证密码
+     */
+    boolean validatePassword(User user, String password);
+
+    /**
+     * 加密密码
+     */
+    String encryptPassword(String password);
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/converter/UserConverter.java b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/converter/UserConverter.java
new file mode 100644
index 0000000..eaa6706
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/converter/UserConverter.java
@@ -0,0 +1,86 @@
+package com.tuoheng.airport.uaa.infrastructure.persistence.converter;
+
+import com.tuoheng.airport.uaa.domain.model.user.User;
+import com.tuoheng.airport.uaa.domain.model.user.UserId;
+import com.tuoheng.airport.uaa.domain.model.user.UserProfile;
+import com.tuoheng.airport.uaa.domain.model.user.UserStatus;
+import com.tuoheng.airport.uaa.infrastructure.persistence.entity.UserPO;
+
+/**
+ * 用户PO-DO转换器
+ *
+ * @author Tuoheng Team
+ */
+public class UserConverter {
+
+    /**
+     * PO转DO
+     */
+    public static User toDomain(UserPO po) {
+        if (po == null) {
+            return null;
+        }
+
+        User user = new User();
+        user.setUserId(UserId.of(po.getId()));
+        user.setUsername(po.getUsername());
+        user.setPassword(po.getPassword());
+
+        // 转换用户资料
+        UserProfile profile = new UserProfile();
+        profile.setRealName(po.getRealName());
+        profile.setNickname(po.getNickname());
+        profile.setMobile(po.getMobile());
+        profile.setEmail(po.getEmail());
+        profile.setAvatar(po.getAvatar());
+        profile.setGender(po.getGender());
+        profile.setDeptId(po.getDeptId());
+        profile.setPositionId(po.getPositionId());
+        user.setProfile(profile);
+
+        user.setStatus(UserStatus.of(po.getStatus()));
+        user.setTenantId(po.getTenantId());
+        user.setCreateTime(po.getCreateTime());
+        user.setUpdateTime(po.getUpdateTime());
+
+        return user;
+    }
+
+    /**
+     * DO转PO
+     */
+    public static UserPO toPO(User user) {
+        if (user == null) {
+            return null;
+        }
+
+        UserPO po = new UserPO();
+        if (user.getUserId() != null) {
+            po.setId(user.getUserId().getId());
+        }
+        po.setUsername(user.getUsername());
+        po.setPassword(user.getPassword());
+
+        // 转换用户资料
+        if (user.getProfile() != null) {
+            UserProfile profile = user.getProfile();
+            po.setRealName(profile.getRealName());
+            po.setNickname(profile.getNickname());
+            po.setMobile(profile.getMobile());
+            po.setEmail(profile.getEmail());
+            po.setAvatar(profile.getAvatar());
+            po.setGender(profile.getGender());
+            po.setDeptId(profile.getDeptId());
+            po.setPositionId(profile.getPositionId());
+        }
+
+        if (user.getStatus() != null) {
+            po.setStatus(user.getStatus().getCode());
+        }
+        po.setTenantId(user.getTenantId());
+        po.setCreateTime(user.getCreateTime());
+        po.setUpdateTime(user.getUpdateTime());
+
+        return po;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/entity/UserPO.java b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/entity/UserPO.java
new file mode 100644
index 0000000..40b07c5
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/entity/UserPO.java
@@ -0,0 +1,109 @@
+package com.tuoheng.airport.uaa.infrastructure.persistence.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户数据库实体
+ *
+ * @author Tuoheng Team
+ */
+@Data
+@TableName("sys_user")
+public class UserPO {
+
+    /**
+     * 用户ID
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 密码
+     */
+    private String password;
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+
+    /**
+     * 用户状态：0-正常，1-锁定，2-禁用
+     */
+    private Integer status;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+
+    /**
+     * 删除标记：0-未删除，1-已删除
+     */
+    private Integer mark;
+
+    /**
+     * 创建人
+     */
+    private Long createUser;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新人
+     */
+    private Long updateUser;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/mapper/UserMapper.java b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/mapper/UserMapper.java
new file mode 100644
index 0000000..a176d40
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/mapper/UserMapper.java
@@ -0,0 +1,30 @@
+package com.tuoheng.airport.uaa.infrastructure.persistence.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.tuoheng.airport.uaa.infrastructure.persistence.entity.UserPO;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+/**
+ * 用户Mapper接口
+ *
+ * @author Tuoheng Team
+ */
+@Mapper
+public interface UserMapper extends BaseMapper<UserPO> {
+
+    /**
+     * 根据用户名查询用户
+     */
+    UserPO selectByUsername(@Param("username") String username);
+
+    /**
+     * 根据手机号查询用户
+     */
+    UserPO selectByMobile(@Param("mobile") String mobile);
+
+    /**
+     * 根据邮箱查询用户
+     */
+    UserPO selectByEmail(@Param("email") String email);
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/repository/UserRepositoryImpl.java b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/repository/UserRepositoryImpl.java
new file mode 100644
index 0000000..8e97b55
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/infrastructure/persistence/repository/UserRepositoryImpl.java
@@ -0,0 +1,120 @@
+package com.tuoheng.airport.uaa.infrastructure.persistence.repository;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.tuoheng.airport.uaa.domain.model.user.User;
+import com.tuoheng.airport.uaa.domain.model.user.UserId;
+import com.tuoheng.airport.uaa.domain.repository.UserRepository;
+import com.tuoheng.airport.uaa.infrastructure.persistence.converter.UserConverter;
+import com.tuoheng.airport.uaa.infrastructure.persistence.entity.UserPO;
+import com.tuoheng.airport.uaa.infrastructure.persistence.mapper.UserMapper;
+import org.springframework.stereotype.Repository;
+
+import javax.annotation.Resource;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+/**
+ * 用户仓储实现
+ *
+ * @author Tuoheng Team
+ */
+@Repository
+public class UserRepositoryImpl implements UserRepository {
+
+    @Resource
+    private UserMapper userMapper;
+
+    @Override
+    public User save(User user) {
+        UserPO po = UserConverter.toPO(user);
+        if (po.getId() == null) {
+            // 新增
+            userMapper.insert(po);
+        } else {
+            // 更新
+            userMapper.updateById(po);
+        }
+        return UserConverter.toDomain(po);
+    }
+
+    @Override
+    public Optional<User> findById(UserId userId) {
+        UserPO po = userMapper.selectById(userId.getId());
+        return Optional.ofNullable(UserConverter.toDomain(po));
+    }
+
+    @Override
+    public Optional<User> findByUsername(String username) {
+        UserPO po = userMapper.selectByUsername(username);
+        return Optional.ofNullable(UserConverter.toDomain(po));
+    }
+
+    @Override
+    public Optional<User> findByMobile(String mobile) {
+        UserPO po = userMapper.selectByMobile(mobile);
+        return Optional.ofNullable(UserConverter.toDomain(po));
+    }
+
+    @Override
+    public Optional<User> findByEmail(String email) {
+        UserPO po = userMapper.selectByEmail(email);
+        return Optional.ofNullable(UserConverter.toDomain(po));
+    }
+
+    @Override
+    public List<User> findAll() {
+        List<UserPO> poList = userMapper.selectList(null);
+        return poList.stream()
+                .map(UserConverter::toDomain)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public List<User> findByPage(int pageNum, int pageSize) {
+        // 使用MyBatis-Plus分页
+        int offset = (pageNum - 1) * pageSize;
+        LambdaQueryWrapper<UserPO> wrapper = new LambdaQueryWrapper<>();
+        wrapper.last("LIMIT " + offset + "," + pageSize);
+        List<UserPO> poList = userMapper.selectList(wrapper);
+        return poList.stream()
+                .map(UserConverter::toDomain)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public List<User> findByTenantId(Long tenantId) {
+        LambdaQueryWrapper<UserPO> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(UserPO::getTenantId, tenantId);
+        List<UserPO> poList = userMapper.selectList(wrapper);
+        return poList.stream()
+                .map(UserConverter::toDomain)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public void delete(UserId userId) {
+        userMapper.deleteById(userId.getId());
+    }
+
+    @Override
+    public boolean existsByUsername(String username) {
+        LambdaQueryWrapper<UserPO> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(UserPO::getUsername, username);
+        return userMapper.selectCount(wrapper) > 0;
+    }
+
+    @Override
+    public boolean existsByMobile(String mobile) {
+        LambdaQueryWrapper<UserPO> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(UserPO::getMobile, mobile);
+        return userMapper.selectCount(wrapper) > 0;
+    }
+
+    @Override
+    public boolean existsByEmail(String email) {
+        LambdaQueryWrapper<UserPO> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(UserPO::getEmail, email);
+        return userMapper.selectCount(wrapper) > 0;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/presentation/assembler/UserAssembler.java b/src/main/java/com/tuoheng/airport/uaa/presentation/assembler/UserAssembler.java
new file mode 100644
index 0000000..bacda15
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/presentation/assembler/UserAssembler.java
@@ -0,0 +1,94 @@
+package com.tuoheng.airport.uaa.presentation.assembler;
+
+import com.tuoheng.airport.uaa.application.dto.UserDTO;
+import com.tuoheng.airport.uaa.domain.model.user.UserStatus;
+import com.tuoheng.airport.uaa.presentation.vo.request.UserCreateRequest;
+import com.tuoheng.airport.uaa.presentation.vo.request.UserUpdateRequest;
+import com.tuoheng.airport.uaa.presentation.vo.response.UserVO;
+
+/**
+ * 用户VO-DTO转换器
+ *
+ * @author Tuoheng Team
+ */
+public class UserAssembler {
+
+    /**
+     * CreateRequest转DTO
+     */
+    public static UserDTO toDTO(UserCreateRequest request) {
+        if (request == null) {
+            return null;
+        }
+
+        UserDTO dto = new UserDTO();
+        dto.setUsername(request.getUsername());
+        dto.setRealName(request.getRealName());
+        dto.setNickname(request.getNickname());
+        dto.setMobile(request.getMobile());
+        dto.setEmail(request.getEmail());
+        dto.setAvatar(request.getAvatar());
+        dto.setGender(request.getGender());
+        dto.setDeptId(request.getDeptId());
+        dto.setPositionId(request.getPositionId());
+        dto.setTenantId(request.getTenantId());
+
+        return dto;
+    }
+
+    /**
+     * UpdateRequest转DTO
+     */
+    public static UserDTO toDTO(UserUpdateRequest request) {
+        if (request == null) {
+            return null;
+        }
+
+        UserDTO dto = new UserDTO();
+        dto.setUserId(request.getUserId());
+        dto.setRealName(request.getRealName());
+        dto.setNickname(request.getNickname());
+        dto.setMobile(request.getMobile());
+        dto.setEmail(request.getEmail());
+        dto.setAvatar(request.getAvatar());
+        dto.setGender(request.getGender());
+        dto.setDeptId(request.getDeptId());
+        dto.setPositionId(request.getPositionId());
+
+        return dto;
+    }
+
+    /**
+     * DTO转VO
+     */
+    public static UserVO toVO(UserDTO dto) {
+        if (dto == null) {
+            return null;
+        }
+
+        UserVO vo = new UserVO();
+        vo.setUserId(dto.getUserId());
+        vo.setUsername(dto.getUsername());
+        vo.setRealName(dto.getRealName());
+        vo.setNickname(dto.getNickname());
+        vo.setMobile(dto.getMobile());
+        vo.setEmail(dto.getEmail());
+        vo.setAvatar(dto.getAvatar());
+        vo.setGender(dto.getGender());
+        vo.setDeptId(dto.getDeptId());
+        vo.setPositionId(dto.getPositionId());
+        vo.setStatus(dto.getStatus());
+
+        // 设置状态描述
+        if (dto.getStatus() != null) {
+            UserStatus status = UserStatus.of(dto.getStatus());
+            vo.setStatusDesc(status.getDesc());
+        }
+
+        vo.setTenantId(dto.getTenantId());
+        vo.setCreateTime(dto.getCreateTime());
+        vo.setUpdateTime(dto.getUpdateTime());
+
+        return vo;
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/presentation/controller/UserController.java b/src/main/java/com/tuoheng/airport/uaa/presentation/controller/UserController.java
new file mode 100644
index 0000000..67bf2e8
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/presentation/controller/UserController.java
@@ -0,0 +1,145 @@
+package com.tuoheng.airport.uaa.presentation.controller;
+
+import com.tuoheng.airport.common.response.Result;
+import com.tuoheng.airport.uaa.application.dto.UserDTO;
+import com.tuoheng.airport.uaa.application.service.UserApplicationService;
+import com.tuoheng.airport.uaa.presentation.assembler.UserAssembler;
+import com.tuoheng.airport.uaa.presentation.vo.request.UserCreateRequest;
+import com.tuoheng.airport.uaa.presentation.vo.request.UserUpdateRequest;
+import com.tuoheng.airport.uaa.presentation.vo.response.UserVO;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 用户控制器
+ *
+ * @author Tuoheng Team
+ */
+@Api(tags = "用户管理")
+@RestController
+@RequestMapping("/api/uaa/users")
+public class UserController {
+
+    @Resource
+    private UserApplicationService userApplicationService;
+
+    /**
+     * 创建用户
+     */
+    @ApiOperation("创建用户")
+    @PostMapping
+    public Result<UserVO> createUser(@Validated @RequestBody UserCreateRequest request) {
+        UserDTO userDTO = UserAssembler.toDTO(request);
+        UserDTO createdUser = userApplicationService.createUser(userDTO, request.getPassword());
+        UserVO userVO = UserAssembler.toVO(createdUser);
+        return Result.success(userVO);
+    }
+
+    /**
+     * 更新用户
+     */
+    @ApiOperation("更新用户")
+    @PutMapping("/{id}")
+    public Result<UserVO> updateUser(@PathVariable("id") Long id,
+                                     @Validated @RequestBody UserUpdateRequest request) {
+        request.setUserId(id);
+        UserDTO userDTO = UserAssembler.toDTO(request);
+        UserDTO updatedUser = userApplicationService.updateUser(id, userDTO);
+        UserVO userVO = UserAssembler.toVO(updatedUser);
+        return Result.success(userVO);
+    }
+
+    /**
+     * 删除用户
+     */
+    @ApiOperation("删除用户")
+    @DeleteMapping("/{id}")
+    public Result<Void> deleteUser(@PathVariable("id") Long id) {
+        userApplicationService.deleteUser(id);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询用户
+     */
+    @ApiOperation("根据ID查询用户")
+    @GetMapping("/{id}")
+    public Result<UserVO> getUserById(@PathVariable("id") Long id) {
+        UserDTO userDTO = userApplicationService.getUserById(id);
+        UserVO userVO = UserAssembler.toVO(userDTO);
+        return Result.success(userVO);
+    }
+
+    /**
+     * 查询所有用户
+     */
+    @ApiOperation("查询所有用户")
+    @GetMapping
+    public Result<List<UserVO>> getAllUsers() {
+        List<UserDTO> userDTOs = userApplicationService.getAllUsers();
+        List<UserVO> userVOs = userDTOs.stream()
+                .map(UserAssembler::toVO)
+                .collect(Collectors.toList());
+        return Result.success(userVOs);
+    }
+
+    /**
+     * 分页查询用户
+     */
+    @ApiOperation("分页查询用户")
+    @GetMapping("/page")
+    public Result<List<UserVO>> getUsersByPage(@RequestParam(defaultValue = "1") Integer pageNum,
+                                                @RequestParam(defaultValue = "10") Integer pageSize) {
+        List<UserDTO> userDTOs = userApplicationService.getUsersByPage(pageNum, pageSize);
+        List<UserVO> userVOs = userDTOs.stream()
+                .map(UserAssembler::toVO)
+                .collect(Collectors.toList());
+        return Result.success(userVOs);
+    }
+
+    /**
+     * 锁定用户
+     */
+    @ApiOperation("锁定用户")
+    @PutMapping("/{id}/lock")
+    public Result<Void> lockUser(@PathVariable("id") Long id) {
+        userApplicationService.lockUser(id);
+        return Result.success();
+    }
+
+    /**
+     * 解锁用户
+     */
+    @ApiOperation("解锁用户")
+    @PutMapping("/{id}/unlock")
+    public Result<Void> unlockUser(@PathVariable("id") Long id) {
+        userApplicationService.unlockUser(id);
+        return Result.success();
+    }
+
+    /**
+     * 禁用用户
+     */
+    @ApiOperation("禁用用户")
+    @PutMapping("/{id}/disable")
+    public Result<Void> disableUser(@PathVariable("id") Long id) {
+        userApplicationService.disableUser(id);
+        return Result.success();
+    }
+
+    /**
+     * 启用用户
+     */
+    @ApiOperation("启用用户")
+    @PutMapping("/{id}/enable")
+    public Result<Void> enableUser(@PathVariable("id") Long id) {
+        userApplicationService.enableUser(id);
+        return Result.success();
+    }
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserCreateRequest.java b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserCreateRequest.java
new file mode 100644
index 0000000..f764e56
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserCreateRequest.java
@@ -0,0 +1,71 @@
+package com.tuoheng.airport.uaa.presentation.vo.request;
+
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 用户创建请求VO
+ *
+ * @author Tuoheng Team
+ */
+@Data
+public class UserCreateRequest {
+
+    /**
+     * 用户名
+     */
+    @NotBlank(message = "用户名不能为空")
+    private String username;
+
+    /**
+     * 密码
+     */
+    @NotBlank(message = "密码不能为空")
+    private String password;
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserUpdateRequest.java b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserUpdateRequest.java
new file mode 100644
index 0000000..eea60a8
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/request/UserUpdateRequest.java
@@ -0,0 +1,60 @@
+package com.tuoheng.airport.uaa.presentation.vo.request;
+
+import lombok.Data;
+
+import javax.validation.constraints.NotNull;
+
+/**
+ * 用户更新请求VO
+ *
+ * @author Tuoheng Team
+ */
+@Data
+public class UserUpdateRequest {
+
+    /**
+     * 用户ID
+     */
+    @NotNull(message = "用户ID不能为空")
+    private Long userId;
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+}
diff --git a/src/main/java/com/tuoheng/airport/uaa/presentation/vo/response/UserVO.java b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/response/UserVO.java
new file mode 100644
index 0000000..c2d53ab
--- /dev/null
+++ b/src/main/java/com/tuoheng/airport/uaa/presentation/vo/response/UserVO.java
@@ -0,0 +1,89 @@
+package com.tuoheng.airport.uaa.presentation.vo.response;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户响应VO
+ *
+ * @author Tuoheng Team
+ */
+@Data
+public class UserVO {
+
+    /**
+     * 用户ID
+     */
+    private Long userId;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 真实姓名
+     */
+    private String realName;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 手机号
+     */
+    private String mobile;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像
+     */
+    private String avatar;
+
+    /**
+     * 性别：0-未知，1-男，2-女
+     */
+    private Integer gender;
+
+    /**
+     * 部门ID
+     */
+    private Long deptId;
+
+    /**
+     * 职位ID
+     */
+    private Long positionId;
+
+    /**
+     * 用户状态：0-正常，1-锁定，2-禁用
+     */
+    private Integer status;
+
+    /**
+     * 用户状态描述
+     */
+    private String statusDesc;
+
+    /**
+     * 租户ID
+     */
+    private Long tenantId;
+
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+}